2312312020 has 24 divisors (see below), whose sum is σ = 4870278504. Its totient is φ = 922177536.

The previous prime is 2312311999. The next prime is 2312312021. The reversal of 2312312020 is 202132132.

It can be written as a sum of positive squares in 4 ways, for example, as 269091216 + 2043220804 = 16404^2 + 45202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2312311985 and 2312312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312312021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164797 + ... + 178276.

It is an arithmetic number, because the mean of its divisors is an integer number (202928271).

Almost surely, 2^2312312020 is an apocalyptic number.

2312312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312312020 is an abundant number, since it is smaller than the sum of its proper divisors (2557966484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312312020 is a wasteful number, since it uses less digits than its factorization.

2312312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343419 (or 343417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312312020 is about 48086.5055914859. The cubic root of 2312312020 is about 1322.3572853527.

Adding to 2312312020 its reverse (202132132), we get a palindrome (2514444152).

The spelling of 2312312020 in words is "two billion, three hundred twelve million, three hundred twelve thousand, twenty".